31311121111130 has 16 divisors (see below), whose sum is σ = 64411449143040. Its totient is φ = 10735241523792.

The previous prime is 31311121111117. The next prime is 31311121111159. The reversal of 31311121111130 is 3111112111313.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223650865010 + ... + 223650865149.

It is an arithmetic number, because the mean of its divisors is an integer number (4025715571440).

Almost surely, 2^{31311121111130} is an apocalyptic number.

31311121111130 is an abundant number, since it is smaller than the sum of its proper divisors (33100328031910).

31311121111130 is a wasteful number, since it uses less digits than its factorization.

31311121111130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447301730173.

The product of its (nonzero) digits is 54, while the sum is 20.

Adding to 31311121111130 its reverse (3111112111313), we get a palindrome (34422233222443).

The spelling of 31311121111130 in words is "thirty-one trillion, three hundred eleven billion, one hundred twenty-one million, one hundred eleven thousand, one hundred thirty".